[abide by] {v.} To accept and obey; be willing to follow. […]

[acquire a taste for] {v. phr.} To become fond of something; […]

[act high and mighty] {v. phr.} To wield power; act overbearingly; […]

[act one's age] or [be one's age] {v. phr.} To do […]

[act out] {v.} 1. To show an idea, story, or happening […]

[act up] {v.}, {informal} 1. To behave badly; act rudely or […]

[ad lib] {v. phr.} To improvise; interpolate during speech. * /When […]

[add fuel to the flame] {v. phr.} To make a bad […]

[add insult to injury] {v. phr.} 1. To hurt someone's feelings […]

[add the finishing touches] {v. phr.} To complete; finish. * /Mary's […]